• added function hasBlock() #345
• Filters::safeUrl() accepts Stringable
• implemented mandatory escaping (cannot be disabled using |noescape)
• In <script type=unknown> is HTML not escaped
• Improved escaping in <script type=text/html>
• Escaper: better detection of type in <script> & <style>
• FilterExecutor: refactoring, info-aware filter can be dynamic
• Filters::strLength() uses mbstring, iconv and then utf8_decode